Qt Reference Documentation

birthdayparty.h Example File

declarative/cppextensions/referenceexamples/signal/birthdayparty.h
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 #ifndef BIRTHDAYPARTY_H
 #define BIRTHDAYPARTY_H

 #include <QObject>
 #include <QDate>
 #include <qdeclarative.h>
 #include "person.h"

 class BirthdayPartyAttached : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp)
 public:
     BirthdayPartyAttached(QObject *object);

     QDate rsvp() const;
     void setRsvp(const QDate &);

 private:
     QDate m_rsvp;
 };

 class BirthdayParty : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(Person *host READ host WRITE setHost)
     Q_PROPERTY(QDeclarativeListProperty<Person> guests READ guests)
     Q_CLASSINFO("DefaultProperty", "guests")
 public:
     BirthdayParty(QObject *parent = 0);

     Person *host() const;
     void setHost(Person *);

     QDeclarativeListProperty<Person> guests();
     int guestCount() const;
     Person *guest(int) const;

     static BirthdayPartyAttached *qmlAttachedProperties(QObject *);

     void startParty();
 // ![0]
 signals:
     void partyStarted(const QTime &time);
 // ![0]

 private:
     Person *m_host;
     QList<Person *> m_guests;
 };
 QML_DECLARE_TYPEINFO(BirthdayParty, QML_HAS_ATTACHED_PROPERTIES)

 #endif // BIRTHDAYPARTY_H